Popular at tailgate and super bowl parties, beer brats are good year-round. It is hard to believe you only need four simple ingredients to make this quick and tasty dish. Once you realize how easy it is, you won't buy your beer brats at the meat counter again. There is no secret to beer brats, you're simply going to finish cooking the sausage in beer reduction. If your family loves onions, use two instead of one. It's nearly impossible to have too many onion slices for bratwurst.